Sweating Copper Tubing Quiz

What is the purpose of sweating copper tubing?

• To create leak-free, permanent joints

• To change the color of the copper

• To make the pipe shiny

• To make the pipe longer

What tool is used to make clean, precise cuts on copper tubing?

• Pliers

• Screwdriver

• Tubing cutter

• Hammer

What is used to clean the copper surfaces before soldering?

• Toothbrush

• Paintbrush

• Wire brush or emery cloth

• Sandpaper

What is the purpose of applying flux to the joint?

• To make the joint sticky

• To make the joint colorful

• To cool the joint

• To clean and prep joints

What should you do if a leak is found after soldering?

• Ignore it

• Reheat, re-clean, and reapply solder

• Paint over it

• Cover it with tape

How long should you heat the joint with the MAP gas torch?

• 10-15 seconds

• 30-40 seconds

• 5 minutes

• 1-2 seconds

What color does the copper turn when it's hot enough for soldering?

• Bright red

• Dull red

• Blue

• Green

What should you do immediately after removing the flame from the joint?

• Touch the solder to the joint

• Let it cool for 10 minutes

• Paint the joint

• Cover it with a cloth

What should you use to wipe off excess solder while it's still warm?

• A dry cloth

• A paper towel

• A sponge

• A damp rag